TY - BOOK AU - Peterson,George Martin TI - Diminishing returns and planned economy AV - HB199 .P45 U1 - 330.1 PY - 1937///] CY - New York PB - Ronald Press KW - Economics KW - Local KW - Agriculture KW - Economic aspects KW - Economic Policy N1 - "A brief list of recommended readings": p. 244-246 ER -